2116246940 has 24 divisors (see below), whose sum is σ = 4488124032. Its totient is φ = 838116800.

The previous prime is 2116246907. The next prime is 2116246949. The reversal of 2116246940 is 496426112.

It is a super-2 number, since 2×2116246940² = 8957002222118727200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2116246940.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116246949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521804 + ... + 525843.

It is an arithmetic number, because the mean of its divisors is an integer number (187005168).

Almost surely, 2^2116246940 is an apocalyptic number.

2116246940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2116246940 is an abundant number, since it is smaller than the sum of its proper divisors (2371877092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2116246940 is a wasteful number, since it uses less digits than its factorization.

2116246940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047757 (or 1047755 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 2116246940 is about 46002.6840521290. The cubic root of 2116246940 is about 1283.8731439455.

The spelling of 2116246940 in words is "two billion, one hundred sixteen million, two hundred forty-six thousand, nine hundred forty".